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Schiavone Construction
  Content Type Features
  Date 2010
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Working on the west side
29 November, 2010
This summer saw a major milestone for the No. 7 Line Extension project, with the final breakthrough of the two TBMs mining the twin subway tunnels. Nicole Robinson looks into the project and its progress

Finesse in tough environments
10 November, 2010
Technologies employed underground to ensure positional accuracy have advanced at great pace over recent years. The portable computer, data processor and laser have all but replaced the tape, notepad and pencil. These, together with the introduction of lasers as reference axes and the toughening of electronics, have led to major benefits in productivity. Maurice Jones reviews some of the latest developments